.
Thread 3 (Thread 1482):
#0  0x00007f1e32480e33 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f1e337cd104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f1e337cd9f2 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f1e1c91069b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f1e337f43e4 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f1e330f8d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f1e3248df7d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 1403):
#0  0x00007f1e32480e33 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f1e337cd104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f1e337cd9f2 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f1e347f6d44 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f1e337f43e4 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f1e330f8d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f1e3248df7d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 1400):
#0  0x00007f1e2300f020 in nux::InputArea::StartDragAsSource() () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#1  0x00007f1e23012a49 in nux::InputArea::OnEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#2  0x00007f1e23052196 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#3  0x00007f1e23052204 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#4  0x00007f1e23052204 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#5  0x00007f1e23052204 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#6  0x00007f1e23052204 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#7  0x00007f1e233f1c81 in PlacesView::ProcessEvent(nux::Event&, long, long) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#8  0x00007f1e23052196 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#9  0x00007f1e23016eb0 in nux::BaseWindow::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#10 0x00007f1e230cee72 in nux::WindowCompositor::ProcessEvent(nux::Event&) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#11 0x00007f1e230d80c3 in nux::WindowThread::ExecutionLoop(unsigned int) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#12 0x00007f1e230d8863 in nux::nux_event_dispatch(_GSource*, int (*)(void*), void*) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#13 0x00007f1e337ccbcd in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f1e337cd3a8 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f1e337cd9f2 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#16 0x0000000000429fba in CompScreen::eventLoop() ()
No symbol table info available.
#17 0x0000000000422f70 in main ()
No symbol table info available.